Core i7-3930K

Details and Benchmarks for Intel Core i7-3930K

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i7-3930K based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,148 Rank: 749
Rank Name Score Visual
745 FX-8150 5,150
+0%
746 Core i5-9400H 5,149
+0%
747 Core i3-4370 5,149
+0%
748 Xeon E5-2630 v4 5,148
+0%
749 Core i7-3930K 5,148
750 Ryzen 3 1200 5,148
+0%
751 Xeon E3-1535M V5 5,147
+-0%
752 Xeon E-2104G 5,146
+-0%
753 Xeon E5-4655 v4 5,145
-0.1%
754 Xeon D-1548 5,145
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i7-3930K based on multi-threaded benchmark results.

5,114 Rank: 559
Rank Name Score Visual
555 Core i5-9600 5,119
+0.1%
556 Core i5-8600 5,119
+0.1%
557 Intel Core i7-3770K 5,116
+0%
558 Intel Core i7-4850HQ 5,114
+0%
559 Core i7-3930K 5,114
560 Xeon E-2334 5,114
+0%
561 Xeon E3-1280 v6 5,113
+-0%
562 Ryzen 5 2500X 5,111
-0.1%
563 Xeon E-2174G 5,109
-0.1%
564 Core i7-8709G 5,107
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Core i7-3930K based on single-threaded benchmark results.

5,171 Rank: 833
Rank Name Score Visual
829 Core i5-4570S 5,176
+0.1%
830 Core m7-6Y75 5,172
+0%
831 Athlon 240GE 5,171
+0%
832 Core i7-3770K 5,171
+0%
833 Core i7-3930K 5,171
834 Ryzen 3 5300U 5,169
+-0%
835 Xeon E5-1660 v2 5,168
-0.1%
836 Core i7-3970X 5,167
-0.1%
837 Ryzen Embedded V1605B 5,165
-0.1%
838 Ryzen 3 PRO 3300U 5,164
-0.1%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i7-3930K based on integer math, floating point math, and prime number computation benchmarks.

4,731 Rank: 604
Rank Name Score Visual
600 Ryzen 3 PRO 4350G 4,736
+0.1%
601 Xeon E3-1275 v6 4,734
+0.1%
602 Core i3-10300 4,734
+0.1%
603 Xeon E3-1280 v6 4,732
+0%
604 Core i7-3930K 4,731
605 Core i7-1068NG7 4,729
+-0%
606 Core i5-9400T 4,728
-0.1%
607 Xeon E3-1270 v6 4,728
-0.1%
608 Xeon E5-2637 v4 4,728
-0.1%
609 Core i7-6700K 4,727
-0.1%

View full ranking →

Data Processing

Aggregated score for Core i7-3930K based on data encryption, data compression, and string sorting benchmarks.

4,796 Rank: 563
Rank Name Score Visual
559 Core i5-9600K 4,801
+0.1%
560 Ryzen 5 7520U 4,801
+0.1%
561 Ryzen 5 4500U 4,798
+0%
562 Xeon E5-2630L v4 4,797
+0%
563 Core i7-3930K 4,796
564 Xeon D-1559 4,795
+-0%
565 Core i7-9700T 4,793
-0.1%
566 Core i7-8750H 4,793
-0.1%
567 Ryzen 5 2600H 4,793
-0.1%
568 Core i3-10320 4,790
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Core i7-3930K based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,766 Rank: 630
Rank Name Score Visual
626 Ryzen 3 PRO 5450U 4,768
+0%
627 Xeon E3-1280 v5 4,767
+0%
628 Xeon D-1559 4,767
+0%
629 Ryzen 5 1600 4,767
+0%
630 Core i7-3930K 4,766
631 Core i7-4850HQ 4,766
+0%
632 Core i5-5675C 4,765
+-0%
633 Xeon E3-1245 v5 4,764
+-0%
634 Xeon E3-1275 v5 4,763
-0.1%
635 Core i7-4860HQ 4,763
-0.1%

View full ranking →

Core i7-3930K Details

The Intel Core i7-3930K, launched in November 2011, stands as a high-end desktop processor from the Sandy Bridge-E era, designed for power users and enthusiasts. While now over a decade old, it was once positioned as a flagship offering for workstation and high-performance computing scenarios, especially given its unlocked multiplier and support for quad-channel memory. As of March 2026, the processor is well past its relevance in modern computing, yet it remains a benchmark reference point in historical performance comparisons. Despite its age, the i7-3930K still holds a notable position in the broader CPU landscape due to its 6-core, 12-thread design and high thermal envelope, making it a significant step in Intel's evolution toward multi-core desktop processors.

At the heart of the i7-3930K is the Sandy Bridge-E microarchitecture, built on a 32 nm process node and featuring 2.27 billion transistors across a 435 mm² die. It operates at a base frequency of 3.2 GHz with a turbo boost up to 3.8 GHz, supported by a 130 W TDP that necessitates robust cooling solutions. The processor supports up to 64 GB of DDR3 memory via a quad-channel interface, achieving a maximum memory bandwidth of 51.2 GB/s. With a 12 MB L3 cache and 12 MB of total cache (including 61 MB of L1 and 244 MB of L2), the chip balances latency and throughput effectively for its time.

The i7-3930K lacks integrated graphics, relying entirely on a discrete GPU, which was typical for high-end desktop CPUs of its generation. However, it supports a wide range of modern features for its era, including Intel's Hyper-Threading technology, AVX, AVX2, AES-NI, and virtualization extensions such as VT-x and VT-d. It also supports Intel's vPro and TXT technologies, catering to business and enterprise environments that demanded enhanced security and manageability.

In benchmark testing, the Core i7-3930K achieves an Overall Score of 5148, ranking it #748 out of 2060 processors, with a Singlecore Score of 5171 (#831) and a Multicore Score of 5114 (#558). These results place it behind several modern consumer-grade CPUs like the Core i5-9600 and Ryzen 5 2500X, and significantly below the current top-tier processors such as the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K. While its single-core performance is respectable, its multicore performance is notably weaker compared to contemporary offerings, reflecting the generational gap in architecture and efficiency.

In conclusion, the Intel Core i7-3930K is best suited for legacy systems or as a nostalgic reference in historical comparisons. Its high TDP and lack of modern features like PCIe 4.0 or DDR5 support limit its utility in today's market. However, its unlocked multiplier and high core count made it a favorite among overclockers in its time, and it remains a notable milestone in Intel’s transition to multi-core desktop processors. For modern users, it serves more as a benchmark of how far processor technology has advanced than as a viable option for new builds.
Frequently Compared

AMD Ryzen Threadripper 2920X 4 views

AMD Ryzen Threadripper 2970WX 4 views

AMD Ryzen 5 PRO 3500U 3 views

Intel Atom Z520 3 views

AMD Ryzen 9 PRO 3900 2 views

AMD Ryzen 3 PRO 2200GE 1 view

Intel Xeon Silver 4214 1 view

Intel Xeon Silver 4116 1 view

Intel Xeon Silver 4114 1 view

Intel Xeon Silver 4110 1 view

Intel Core i7-3930K

Main Specifications

Designer: Intel
Name: Core i7-3930K
Model Number: i7-3930K
Cores: 6
Threads: 12
Base Frequency: 3200 MHz
Clock Multiplier: 32x (unlocked)
Core Name: Sandy Bridge-E
Socket: FCLGA1150
Package: FC-LGA10
Target Segment: Desktop
Max CPUs: 1
TDP: 130 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 11.444 MiB

Memory Specifications

Supported Memory Type: DDR3 1066/1333/1600
Memory Channels: 4
Maximum Memory: 0 GB
Maximum Bandwidth: 51.2 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 40
PCIe Configuration: 1x16, 2x8, 1x8/2x4

Integrated Graphics

GPU: HD Graphics P4600
GPU Designer: Intel
GPU Max Frequency: 1200 MHz

Physical Specifications

Process: 32 nm
Die Area: 435 mm²
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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